Great ceremonial grooved  Ax circa 5000 plus from Ohio. 
The Axe is made from a beautiful,Hard  stone material hand pecked with a beautiful hand polished patina and nice color.  An unusual Deep groove  great Axe 7  x 5 x 2 1/4  Fat Boy.  It has been examined by several experts and comes with a 14 day return privilege just pay ship.  This ax has been in   other collections before it came to me has other old collection tags. See photos for your own expert opinion. If on vacation come to the Bearfighting Blakely Indian trading post in Cherokee N.C. 
just over the Mountain from Gatlingburg Tennessee.   Experts  believe most  Full grooved axes  date 6 to 9000 year old.